1977-35-1 4-(2,4-Dihydroxy-3,3-dimethylbutyramido)-3-hydroxybutyric acid BUTYRIC ACID, 4-(2,4-DIHYDROXY-3,3-DIMETHYLBUTYRAMIDO)-3-HYDROXY- Butanoic acid, 4-((2,4-dihydroxy-3,3-dimethyl-1-oxobutyl)amino)-3-hydroxy- beta-Hydroxyhomopantothenic acid beta-Oxy-hopa